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The cell membrane contains all of the following except:


A) phospholipid.
B) secretory vesicle.
C) cholesterol.
D) channels.

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Which answer choice refers to premature tissue death caused by disease,infection,toxins or trauma?


A) Atrophy
B) Necrosis
C) Hypertrophy
D) Apoptosis

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What organ system is responsible for communication and hormone production?


A) Cardiovascular system
B) Nervous system
C) Endocrine system
D) Lymphatic system

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Which statement best describes meiosis?


A) Meiosis is a type of cell division that involves all cell types in the human body.
B) Meiosis is a type of cell division that involves sperm and egg cells.
C) Meiosis is a type of cell division that involves all cell types except sperm and egg cells.
D) Meiosis is a type of cell division.

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Which statement correctly compares chromatin to chromosomes?


A) Chromatin is loosely arranged DNA in the cell's nucleus while the cell is not dividing while chromosomes are tight compact bundles of DNA present during cell division.
B) Chromatin is tightly packed DNA in the cell's nucleus while the cell is not dividing while chromosomes are also tight compact bundles of DNA present during cell division.
C) Chromatin is loosely arranged DNA in the cell's nucleus while the cell is dividing while chromosomes are tight compact bundles of DNA present while the cell is not dividing.
D) Chromatin is tightly packed DNA in the cell's nucleus while the cell is not dividing while chromosomes are loosely arranged bundles of DNA present during cell division.

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The cell membrane performs all of the following functions except which one?


A) Gives the cell structure
B) Regulates what enters and exits the cell
C) Defines the cell's intracellular and extracellular environment
D) Houses DNA

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